Korkers Greenback Wading Boots - Packed with The Essentials - Includes Interchangeable Felt and Kling-On Soles - Size 13The greenback wading boot by Korkers offers a unique traction system omnitrax interchangeable sole system adapts your traction to any fishing condition. Upper materials comprised of hydrophobic materials faster dry times which lessen the chance of Spreading invasive species. Includes cemented parts and strategic seam locations. An internal drainage system means that water flows Thru internal channels then out mid sole ports removing excess water and